audk/MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c
Michael D Kinney 9d510e61fc MdeModulePkg: Replace BSD License with BSD+Patent License
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
2019-04-09 10:58:08 -07:00

68 lines
1.8 KiB
C

/** @file
Var Check Hii generation from Hii Database.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "VarCheckHiiGen.h"
/**
Generate from Hii Database.
**/
VOID
VarCheckHiiGenFromHiiDatabase (
VOID
)
{
EFI_STATUS Status;
UINTN BufferSize;
VOID *Buffer;
EFI_PHYSICAL_ADDRESS BufferAddress;
EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
//
// Locate HII Database protocol
//
Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);
if (EFI_ERROR (Status)) {
return;
}
//
// Call first time with zero buffer length.
// Should fail with EFI_BUFFER_TOO_SMALL.
//
BufferSize = 0;
Buffer = NULL;
Status = HiiDatabase->ExportPackageLists (HiiDatabase, 0, &BufferSize, Buffer);
if (Status == EFI_BUFFER_TOO_SMALL) {
//
// Allocate buffer to hold the HII Database.
//
Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, EFI_SIZE_TO_PAGES (BufferSize), &BufferAddress);
ASSERT_EFI_ERROR (Status);
Buffer = (VOID *) (UINTN) BufferAddress;
//
// Export HII Database into the buffer.
//
Status = HiiDatabase->ExportPackageLists (HiiDatabase, 0, &BufferSize, Buffer);
ASSERT_EFI_ERROR (Status);
DEBUG ((DEBUG_INFO , "VarCheckHiiGenDxeFromHii - HII Database exported at 0x%x, size = 0x%x\n", Buffer, BufferSize));
#ifdef DUMP_HII_DATA
DEBUG_CODE (
DumpHiiDatabase (Buffer, BufferSize);
);
#endif
VarCheckParseHiiDatabase (Buffer, BufferSize);
gBS->FreePages (BufferAddress, EFI_SIZE_TO_PAGES (BufferSize));
}
}